Method and system for modeling and managing terrain, buildings, and infrastructure

• US 7,164,883 B2
• Filed: 09/18/2001
• Issued: 01/16/2007
• Est. Priority Date: 02/14/2001
• Status: Active Grant

• Current Assignee: Extreme Networks, Inc.
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Skidmore, Roger R., Rappaport, Theodore S., Sheethalnath, Praveen
• Primary Examiner(s): Rodriguez; Paul
• Assistant Examiner(s): Stevens; Thomas H.
• Application Number:
  US09/954,273
• Publication Number:
  US 20030023412A1
• Time in Patent Office: 1,946 Days
• Field of Search: 703/21, 703/1, 379/27.04, 455/899, 455/3.01, 455/450, 709/200, 709/218
• US Class Current: 455/3.01
• CPC Class Codes: G06Q 10/10 Office automation; Time management
• CPC Class Codes: H04W 16/20 for indoor coverage or short range network deployment

Abstract

A method and system for creating, using, and managing a three-dimensional digital model of the physical environment combines outdoor terrain elevation and land-use information, building placements, heights and geometries of the interior structure of buildings, along with site-specific models of components that are distributed spatially within a physical environment. The present invention separately provides an asset management system that allows the integrated three-dimensional model of the outdoor, indoor, and distributed infrastructure equipment to communicate with and aggregate the information pertaining to actual physical components of the actual network, thereby providing a management system that can track the on-going performance, cost, maintenance history, and depreciation of multiple networks using the site-specific unified digital format.

Claims

1. A network management system for a wireless communications network, comprising:

a plurality of components distributed within a physical environment, at least one of said plurality of components being used to provide infrastructure necessary for wireless communications;

at least one measurement device for measuring at least one wireless communication performance data pertaining to the wireless communications network;

one or more computer platforms, that communicate with at least one or more of said plurality of components, on which a computerized site specific model of said physical environment is displayed, said computerized site specific model presenting on a display a representation of said physical environment with computer representations of said plurality of components distributed in said representation of said physical environment, and information pertaining to said at least one wireless communication performance data in said physical environment, wherein at least one of said computer representations of said plurality of components is associated with at least one of cost data, infrastructure data, maintenance data, ownership data, performance data, installation data, depreciation data, and equipment settings, said one or more computer platforms providing at least one of;

(I) an indication that said at least one wireless communications performance data measured by said at least one measurement device is or is not satisfactory in the wireless communications network;

or

(II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of components distributed within said physical environment.

2. The network management system of claim 1 wherein said at least one measurement device is positioned within said physical environment.

3. The network management system of claim 1 wherein said at least one measurement device is the same as said at least one of said plurality of components to provide infrastructure for wireless communications.

4. The network management system of claim 1 wherein said at least one measurement device is contained as part of said at least one of said plurality of components to provide infrastructure for wireless communications.

5. The network management system of claim 1 wherein said parameter to be adjusted is antenna orientation.

6. The network management system of claim 1 wherein said parameter to be adjusted is transmitted power.

7. The network management system of claim 1 wherein said parameter to be adjusted is data rate.

8. The network management system of claim 1 wherein said parameter to be adjusted is modulation method.

9. The network management system of claim 1 wherein said parameter to be adjusted is bandwidth.

10. The network management system of claim 1 wherein said parameter to be adjusted is transmitting frequency.

11. The network management system of claim 1 wherein said parameter to be adjusted is receiving frequency.

12. The network management system of claim 1 wherein said performance data is signal strength.

13. The network management system of claim 1 wherein said performance data is interference or noise.

14. The network management system of claim 1 wherein said performance data is signal to interference ratio.

15. The network management system of claim 1 wherein said performance data is data throughput.

16. The network management system of claim 1 wherein said performance data is power levels or status.

17. The network management system of claim 1 wherein said performance data is quality of service.

18. The network management system of claim 1 wherein said performance data is data latency.

19. The network management system of claim 1 wherein said performance data is traffic or capacity utilization.

20. The network management system of claim 1 wherein said one or more computer platforms provides (I) an indication that said at least one performance data measured by said at least one measurement device is or is not satisfactory for a particular user in the wireless communications network, and provides an indication of the value of said at least one performance data.

21. The network management system of claim 1 wherein said one or more computer platforms provides (I) an indication that said at least one performance data measured by said at least one measurement device is or is not satisfactory for some or all of the users in the wireless communications network, and provides an indication of the value of said at least one performance data.

22. The network management system of claim 1 further comprising a means for selecting a level of satisfactory or unsatisfactory performance for a performance data for one or more users in the wireless communication network.

23. The network management system of claim 1 wherein said one or more computer platforms provides (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of components distributed within said physical environment.

24. The network management system of claim 1 wherein said display presents at least a portion of one or more floor plans of one or more buildings in combination with one or more of

a representation of locations of said plurality of components together with said at least a portion of said one or more floor plans or said one or more buildings, and

a representation of said at least one or more wireless communication performance data together with said at least a portion of said one or more floor plans or said one or more buildings.

25. The network management system of claim 1 further comprising an indicator for providing an indication of the value or acceptability of said at least one wireless communication performance data.

26. The network management system of claim 1 wherein said at least one wireless communication performance data is for one or more users of the wireless communication network.

27. The network management system of claim 1 wherein said site specific model of said physical environment can have infrastructure information added or subtracted prior to, during or after placement of computer representations of said plurality of components in the computerized site specific model.

28. The network management system of claim 1 further comprising means, associated with one or more of said computer platforms, for storing, sending, aggregating, analyzing, displaying or retrieving predicted or measured information pertaining to the wireless communication network wherein said predicted or measured information is selected from the group consisting of maintenance data, performance data, cost data, installation data, infrastructure data, depreciation data, and ownership data.

29. The network management system of claim 1 further comprising means, associated with one or more of said computer platforms for generating one or more reports on predicted or measured information pertaining to the wireless communication network wherein said reports are selected from the group consisting of computer files, tables, lists, slideshows, and graphical outputs.

57. The network design and management system of claim 2 wherein at least one of said one or more computer platforms manually or automatically corrects or issues one or more (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment.

58. The network design and management system of claim 4 wherein said at least one of said one or more computer platforms is remote from said plurality of physical components.

59. The network design and management system of claim 1 wherein said one or more computer platforms which provides (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment is remote from said plurality of physical components.

30. A network design and management system for a wireless communications network, comprising:

one or more computer platforms on which a computerized site specific model of a physical environment is displayed, said computerized site specific model has a representation of said physical environment with computer representations of a plurality of components distributed in said physical environment, wherein at least one of said computer representations of said plurality of components is associated with at least one of cost data, infrastructure data, maintenance data, ownership data, performance data, installation data, depreciation data, and equipment settings, at least one of said one or more computer platforms can provide a prediction of one or more wireless communications performance data based on said computerized site specific model;

a plurality of physical components distributed or distributable within said physical environment represented by said computerized site specific model, at least some of said plurality of physical components corresponding to at least some of said plurality of components represented in said computerized site specific model of said wireless communications network, at least one of said plurality of physical components being used to provide infrastructure for wireless communications; and

at least one measurement device for measuring at least one wireless communication performance data pertaining to the wireless communications network,

wherein at least one of said one or more computer platforms communicates with at least one of said plurality of physical components, and provides at least one of;

(I) an indication that said at least one wireless communication performance data measured by said at least one measurement device is or is not satisfactory for one or more users of the wireless communications network;

or

(II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment.

31. The network design and management system of claim 30 wherein said computerized site specific model is modifiable with said one or more computer platforms.

32. The network design and management system of claim 30 wherein said display presents at least a portion of one or more floor plans of one or more buildings in combination with one or more of

a representation of locations of said plurality of components together with said at least a portion of said one or more floor plans or said one or more buildings, and

a representation of said at least one or more wireless communication performance data together with said at least a portion of said one or more floor plans or said one or more buildings.

33. The network design and management system of claim 30 wherein one or more of said plurality of components represented in said computerized representation of said wireless communication network have at least one of cost data, maintenance data, ownership data, performance data, installation data, infrastructure data, depreciation data, and equipment settings associated therewith.

34. The network design and management system of claim 30 wherein one or more features of said computerized site specific model have values or attributes assigned thereto which impact one or more wireless communication performance data.

35. The network design and management system of claim 30 wherein said at least one measurement device is positioned within said physical environment.

36. The network design and management system of claim 30 wherein said at least one measurement device is the same as said at least one of said plurality of physical components used to provide infrastructure for wireless communications.

37. The network design and management system of claim 30 wherein said at least one measurement device is contained as part of said at least one of said plurality of physical components used to provide infrastructure for wireless communications.

38. The network design and management system of claim 30 wherein said parameter to be adjusted is antenna orientation.

39. The network design and management system of claim 30 wherein said parameter to be adjusted is transmitted power.

40. The network design and management system of claim 30 wherein said parameter to be adjusted is data rate.

41. The network design and management system of claim 30 wherein said parameter to be adjusted is modulation method.

42. The network design and management system of claim 30 wherein said parameter to be adjusted is bandwidth.

43. The network design and management system of claim 30 wherein said parameter to be adjusted is transmitting frequency.

44. The network design and management system of claim 30 wherein said parameter to be adjusted is receiving frequency.

45. The network design and management system of claim 30 wherein said performance data is signal strength.

46. The network design and management system of claim 30 wherein said performance data is interference or noise.

47. The network design and management system of claim 30 wherein said performance data is signal to interference ratio.

48. The network design and management system of claim 30 wherein said performance data is data throughput.

49. The network design and management system of claim 30 wherein said performance data is power levels or status.

50. The network design and management system of claim 30 wherein said performance data is quality of service.

51. The network design and management system of claim 30 wherein said performance data is data latency.

52. The network design and management system of claim 30 wherein said performance data is traffic or capacity utilization.

53. The network design and management system of claim 30 wherein said one or more computer platforms provides (I) an indication that said at least one performance data measured by said at least one measurement device is or is not satisfactory for one or more particular users in the wireless communications network and provides an indication of the value of said at least one performance data.

54. The network design and management system of claim 30 further comprising a means for selecting a level of satisfactory or unsatisfactory performance for said wireless communication performance data for one or more users in the wireless communication network.

55. The network design and management system of claim 30 wherein said one or more computer platforms provides (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment.

56. The network design and management system of claim 30 further comprising an indicator for providing an indication of the value of said at least one performance data.

60. The network design and management system of claim 30 wherein said at least one wireless communication performance data is for one or more users of the wireless communication network.

61. The network design and management system of claim 30 wherein said site specific model of said physical environment can have infrastructure information added or subtracted prior to, during or after placement of computer representations of said plurality of components in the computerized site specific model.

62. The network design and management system of claim 30 further comprising means, associated with one or more of said computer platforms, for storing, sending, aggregating, analyzing, displaying or retrieving predicted or measured information pertaining to the wireless communication network wherein said predicted or measured information is selected from the group consisting of maintenance data, performance data, cost data, installation data, depreciation data, infrastructure data and ownership data.

63. The network design and management system of claim 30 further comprising means, associated with one or more of said computer platforms for generating one or more reports on predicted or measured information pertaining to the wireless communication network wherein said reports are selected from the group consisting of computer files, tables, lists, slideshows, and graphical outputs.

96. The wireless network asset management system according to claim 42, wherein said performance data includes performance data selected from the group consisting of frequency utilization, capacity utilization, received signal strength, signal-to-interference ratio, signal-to-noise ratio, bit error rate, loading, capacity, frame error rate, frame resolution per second, traffic, packet error rate, packet latency, packet jitter, interference levels, power levels, outage statistics, failure rate, quality of service, data throughput, temperature, pressure, flow rate, environmental conditions, power consumption and fluctuation, production levels, storage cycles, and cycle time.

64. A method for managing a wireless communications network comprised of a plurality of components distributed within a physical environment, at least one of said plurality of components being used to provide infrastructure necessary for wireless communications, comprising the steps of:

measuring with at least one measurement device at least one wireless communication performance data pertaining to the wireless communications network; and

providing with one or more computer platforms on which a computerized site specific model of said physical environment is displayed, at least one of;

(I) an indication that said at least one wireless communication performance data measured by said measurement device is or is not satisfactory in the wireless communications network;

or

(II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of components distributed within said physical environment,

at least one of said one or more computer platforms communicates with at least one of said plurality of components,

said computerized site specific model presenting on a display a representation of said physical environment with computer representations of said plurality of components distributed in said representation of said physical environment, wherein said computer representations of said plurality of components is associated with at least one of cost data, infrastructure data, maintenance data, ownership data, performance data, installation data, depreciation data, and equipment settings, and information pertaining to said at least one wireless communication performance data in said physical environment.

65. The method of claim 64 wherein said parameter to be adjusted in said providing step is selected from the group consisting of transmitter power, transmitting frequency, receiving frequency, signal strength, antenna orientation, transmitted power, data rate, modulation method, bandwidth, interference or noise, signal to interference ratio, data throughput, power levels or status, quality of service, data latency, and traffic or capacity utilization.

66. The method of claim 64 wherein said one or more computer platforms provides in said providing step (I) an indication that said at least one wireless communication performance data measured by said at least one measurement device is or is not satisfactory for a particular user in the wireless communications network, and an indication of the value of said at least one wireless communication performance data.

67. The method of claim 64 wherein said one or more computer platforms provides in said providing step (I) an indication that said at least one wireless communication performance data measured by said at least one measurement device is or is not satisfactory for some or all of the users in the wireless communications network, and an indication of the value of said at least one wireless communication performance data.

68. The method of claim 64 further comprising the step of selecting a level of satisfactory or unsatisfactory performance for said wireless communication performance data for one or more users in the wireless communication network.

69. The method of claim 64 wherein said one or more computer platforms provides in said providing step (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of components distributed within said physical environment.

70. A network design and management method for a wireless communications network, comprising the steps of:

designing or modifying, on one or more computer platforms, a computerized site specific model which presents on a display a representation of a physical environment in which said wireless communications network has or will be deployed, with computer representations of a plurality of components distributed in said representation of said physical environment, wherein one or more of said plurality of components represented in said computerized site specific model has at least one of cost data, infrastructure data, maintenance data, ownership data, performance data, installation data, depreciation data, and equipment settings associated therewith;

distributing a plurality of physical components within said physical environment represented by said computerized site specific model, at least some of said plurality of physical components corresponding to at least some of said plurality of components represented in said computerized site specific model, at least one of said plurality of physical components being used to provide infrastructure for wireless communications;

measuring with at least one measurement device at least one wireless communication performance data pertaining to the performance experienced by one or more users in the wireless communications network; and

providing with at least one of said one or more computer platforms at least one of;

(I) an indication that said at least one wireless communication performance data measured by said measurement device is or is not satisfactory for one or more users of the wireless communications network;

or

(II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment, and

at least one of said one or more computer platforms communicates with at least one of said plurality of physical components.

71. The method of claim 70 wherein the step of designing is performed during said designing or modifying step.

72. The method of claim 70 wherein the step of modifying is performed during said designing or modifying step.

73. The method of claim 70 further comprising the step of predicting, with at least one of said one or more computer platforms, one or more wireless communications performance data based on said computerized site specific model.

74. The method of claim 70 wherein said predicting step is performed during said designing or modifying step.

75. The method of claim 70 wherein said parameter to be adjusted in said providing step is selected from the group consisting of transmitter power, transmitting frequency, receiving frequency, signal strength, antenna orientation, transmitted power, data rate, modulation method, bandwidth, interference or noise, signal to interference ratio, data throughput, power levels or status, quality of service, data latency, and traffic or capacity utilization.

76. The method of claim 70 wherein said one or more computer platforms provides in said providing step (I) an indication that said at least one wireless communication performance data measured by said at least one measurement device is or is not satisfactory for a particular user in the wireless communications network, and an indication of the value of said at least one wireless communication performance data.

77. The method of claim 70 wherein said one or more computer platforms provides in said providing step (I) an indication that said at least one wireless communication performance data measured by said at least one measurement device is or is not satisfactory for some or all of the users in the wireless communications network, and an indication of the value of said at least one wireless communication performance data.

78. The method of claim 70 further comprising the step of selecting a level of satisfactory or unsatisfactory performance for said performance data for said one or more users in the wireless communication network.

79. The method of claim 70 wherein said one or more computer platforms provides in said providing step (II) control signals or instructions for adjusting one or more parameters of one or more of said plurality of physical components distributed within said physical environment.

80. A wireless network asset management method, comprising the steps of:

storing, sending, or retrieving information pertaining to at least two different distributed networks of infrastructure equipment, said information being selected from a group consisting of installation data, performance data, cost data, depreciation data, ownership data, infrastructure information, and maintenance data; and

selectively retrieving, displaying, aggregating, or analyzing selected information from said at least two different distributed networks,

wherein each of said distributed networks of infrastructure equipment is represented in a site-specific computer database model having computer representations of physical locations and interconnections of the infrastructure equipment stored therein, and

wherein said performance data comprises performance data selected from the group consisting of frequency utilization, capacity utilization, received signal strength, signal-to-interference ratio, signal-to-noise ratio, bit error rate, loading, capacity, frame error rate, frame resolution per second, traffic, packet error rate, packet latency, packet jitter, interference levels, power levels, outage statistics, failure rate, quality of service, consumption and fluctuation, production levels, storage cycles, cycle time.

81. The wireless network asset management method according to claim 80, wherein said performance data includes at least two of predicted performance data, desired performance data, and measured performance data.

82. The wireless network asset management method according to claim 80, further comprising the step of comparing at least two of said predicted performance data, said desired performance data, and said measured performance data.

83. The wireless network asset management method according to claim 80, wherein said step of selectively retrieving, displaying, aggregating, or analyzing selected information from said at least two different distributed networks includes the step of comparing said selected information from at least a first and a second of said at least two different distributed networks.

84. The wireless network asset management method according to claim 80, wherein said infrastructure information includes information selected from the group consisting of equipment brand, equipment type, equipment settings, equipment configuration, equipment orientation, equipment specifications, equipment parameters, equipment manufacturer, equipment use logs, equipment licensing information, information regarding methods for communicating with the equipment, equipment users, equipment owners, equipment contact information, equipment lessors, equipment lessees, predicted equipment cost, actual equipment cost, predicted equipment failure rate, actual equipment failure rate, predicted equipment maintenance or repair cost, actual equipment maintenance or repair cost, and equipment identifiers.

85. The wireless network asset management method according to claim 80, further comprising the step of controlling at least one component of at least one of said two different distributed networks from a location remote from said distributed networks.

86. A method of generating a computerized model of an environment, said environment including both terrain and at least one building, wherein said terrain surrounds said at least one building, said terrain including a plurality of different objects and features therein, each of which has attributes that impact performance of a distributed network, and said at least one building having a plurality of different objects therein, each of which has attributes that impact performance of said distributed network, comprising the steps of:

obtaining a terrain model for said terrain, said terrain model being represented by a triangular irregular network;

obtaining a building model of said at least one building, said building model being in a vector format compatible with said triangular irregular network;

combining said terrain model and said building model to form a composite three dimensional terrain-building representation, said combining step positioning said building model within said terrain model such that outer edges of said building are positioned within said terrain; and

providing one or more of wireless performance predictions or measurements, or comparisons thereof for wireless communications networks operating both within and outside of buildings.

87. The method of claim 86, wherein said combining step sinks said building model into a portion of said terrain model.

88. The method of claim 86, wherein said distributed network of infrastructure components is graphically and electronically represented within said computerized model of an environment in a site-specific manner.

89. The method of claim 86 further comprising the step of providing one or more of cost data, infrastructure information, maintenance data, depreciation data, installation data, performance data, and ownership data pertaining to at least a portion of said distributed network.

90. A system for generating a computerized model of an environment, said environment including both terrain and at least one building, wherein said terrain surrounds said at least one building, said terrain including a plurality of different terrain features therein, each of which has attributes that impact performance of a distributed network, and said at least one building having a plurality of different objects therein, each of which has attributes that impact performance of the distributed network, said system comprising:

means for obtaining a terrain model for said terrain, said terrain model being represented by a triangular irregular network;

means for obtaining a building model of said at least one building, said building model being in a vector format compatible with said triangular irregular network; and

means for combining said terrain model and said building model to form a composite three dimensional terrain-building representation, wherein said building positioned within said terrain.

91. The system according to claim 90, wherein a distributed network of infrastructure components is graphically and electronically represented within said computerized model of an environment in a site-specific manner.

92. The system according to claim 90, wherein said means for combining said terrain model and said building model sinks said building model into a portion of said terrain model.

93. The system according to claim 90 further comprising means for providing one or more of wireless performance predictions or measurements, or comparisons thereof for wireless communications networks operating both within and outside of buildings.

94. The system according to claim 90 further comprising means for providing one or more of cost data, depreciation data, installation data, infrastructure information, maintenance data, performance data and ownership data pertaining to at least a portion of said distributed network.

95. A wireless network asset management system, comprising:

means for storing, sending, or retrieving information pertaining to at least two different distributed networks of infrastructure equipment, said information being selected from the group consisting of installation data, performance data, infrastructure information, ownership data, cost data, depreciation data, and maintenance data, wherein said performance data includes at least two of predicted performance data, desired performance data, and measured performance data.; and

means for selectively retrieving, displaying, aggregating, or analyzing selected information from said at least two different distributed networks,

wherein each of said distributed networks of infrastructure equipment is represented in a site-specific computer database model having computer representations of physical locations and interconnections of the infrastructure equipment stored therein.

97. The wireless network asset management system according to claim 95, wherein said performance data includes at least two of said predicted performance data, desired performance data, and measured performance data.

98. The wireless network asset management system according to claim 97, further comprising means for comparing at least two of said predicted performance data, said desired performance data, and said measured performance data.

99. The wireless network asset management system according to claim 95, wherein said means for selectively retrieving, displaying, aggregating, or analyzing selected information from said at least two different distributed networks includes means for comparing said selected information from at least a first and a second of said at least two different distributed networks.

100. The wireless network asset management system according to claim 95, wherein said infrastructure information includes information selected from the group consisting of equipment brand, equipment type, equipment settings, equipment configuration, equipment orientation, equipment specifications, equipment parameters, equipment manufacturer, equipment use logs, equipment licensing information, information regarding methods for communicating with the equipment, equipment users, equipment owners, equipment contact information, equipment lessors, equipment lessees, predicted equipment cost, actual equipment cost, predicted equipment failure rate, actual equipment failure rate, predicted equipment maintenance or repair cost, actual equipment maintenance or repair cost, and equipment identifiers.

101. The wireless network asset management system according to claim 95, further comprising means for controlling at least one components of at least one of said two different distributed networks from a location remote from said distributed networks.

102. A wireless network asset management method, comprising the steps of:

storing, sending, or retrieving one or more of predicted and measured information pertaining to a distributed network of infrastructure equipment, said one or more of predicted and measured information being selected from the group consisting of cost data, maintenance data, installation data, depreciation data, performance data, and ownership data;

selectively retrieving, displaying, aggregating, or analyzing selected information from said distributed network; and

comparing said predicted information and said measured information, wherein said distributed network of infrastructure equipment is represented in a site-specific computer database model having computer representations of physical locations and interconnections of the infrastructure equipment stored therein.

103. A wireless network asset management system, comprising:

means for storing, sending, or retrieving one or more of predicted and measured information pertaining to a distributed network of infrastructure equipment, said one or more of predicted and measured information being selected from the group consisting of cost data, maintenance data, performance data, and ownership data;

means for selectively retrieving, displaying, aggregating, or analyzing selected information from said distributed network; and

means for comparing said predicted information and said measured information, wherein said distributed network of infrastructure equipment is represented in a site-specific computer database model having computer representations of physical locations and interconnections of the infrastructure equipment stored therein.

104. An infrastructure management tool for wireless communications networks, comprising:

one or more site specific computerized models which represent one or more physical environments, said one or more site specific computerized models includes a representation of a plurality of distributed components that are at least a part of a wireless communications network distributed within a physical environment, said one or more site specific computerized models includes one or more of predicted and measured information selected from the group consisting of cost data, maintenance data, performance data, and ownership data;

means for identifying criteria to be searched in said one or more site specific computerized models; and

means for applying replacement criteria to replace identified criteria identified by said means for identifying,

wherein said plurality of distributed components is graphically and electronically represented within said one or more site specific computerized models of the physical environment in a site-specific manner.

105. An infrastructure management method for wireless communication networks, comprising the steps of:

providing access to one or more site specific computerized models which represent one or more physical environments, said one or more site specific computerized models includes a representation of a plurality of distributed components that are at least a part of a wireless communications network distributed within a physical environment, said one or more site specific computerized models includes one or more of predicted and measured information selected from the group consisting of cost data, maintenance data, performance data, and ownership data;

identifying criteria to be searched in said one or more site specific computerized models; and

applying replacement criteria to replace identified criteria identified by said identifying step,

wherein said plurality of distributed components is graphically and electronically represented within said one or more site specific computerized models of the physical environment in a site-specific manner.